Skip to content

⚡ Cache image dimensions to reduce I/O #24

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
si wants to merge 1 commit into
base: main
Choose a base branch
from
Open

⚡ Cache image dimensions to reduce I/O #24

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 7 additions & 1 deletion _11ty/img-dim.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,8 @@ const srcset = require("./srcset");
const path = require("path");
const { gif2mp4 } = require("./video-gif");

const imageDimensionsCache = new Map();

/**
* Sets `width` and `height` on each image, adds blurry placeholder
* and generates a srcset if none present.
Expand Down Expand Up @@ -54,7 +56,11 @@ const processImage = async (img, outputPath) => {
}
let dimensions;
try {
dimensions = await sizeOf("_site/" + src);
let imagePath = "_site/" + src;
if (!imageDimensionsCache.has(imagePath)) {
imageDimensionsCache.set(imagePath, sizeOf(imagePath));
}
dimensions = await imageDimensionsCache.get(imagePath);
} catch (e) {
console.warn(e.message, src);
return;
Expand Down